Buckle assembly for tightening strap



FIG. 1 is a top plan view showing my new design for a buckle assembly for tightening strap;

FIG. 2 is a side elevational view thereof;

FIG. 3 is an end elevational view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof of the side opposite to that shown in FIG. 2;

FIG. 6 is an end elevational view thereof of the end opposite to that shown in FIG. 3;

FIG. 7 is a perspective view thereof; and

FIG. 8 is a perspective view of a second embodiment of my new design.

The second embodiment of the invention is the same as the first except for the hook which appears at one end thereof in lieu of a crossbar. The side of the hook opposite to that shown in FIG. 8 is the mirror image thereof. 

The ornamental design for a buckle assembly for tightening strap, as shown and described. 